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simulator-ia32.h
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27 
28 #ifndef V8_IA32_SIMULATOR_IA32_H_
29 #define V8_IA32_SIMULATOR_IA32_H_
30 
31 #include "allocation.h"
32 
33 namespace v8 {
34 namespace internal {
35 
36 // Since there is no simulator for the ia32 architecture the only thing we can
37 // do is to call the entry directly.
38 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \
39  (entry(p0, p1, p2, p3, p4))
40 
41 
42 typedef int (*regexp_matcher)(String*, int, const byte*,
43  const byte*, int*, int, Address, int, Isolate*);
44 
45 // Call the generated regexp code directly. The code at the entry address should
46 // expect eight int/pointer sized arguments and return an int.
47 #define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7, p8) \
48  (FUNCTION_CAST<regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7, p8))
49 
50 
51 #define TRY_CATCH_FROM_ADDRESS(try_catch_address) \
52  (reinterpret_cast<TryCatch*>(try_catch_address))
53 
54 // The stack limit beyond which we will throw stack overflow errors in
55 // generated code. Because generated code on ia32 uses the C stack, we
56 // just use the C stack limit.
57 class SimulatorStack : public v8::internal::AllStatic {
58  public:
59  static inline uintptr_t JsLimitFromCLimit(Isolate* isolate,
60  uintptr_t c_limit) {
61  USE(isolate);
62  return c_limit;
63  }
64 
65  static inline uintptr_t RegisterCTryCatch(uintptr_t try_catch_address) {
66  return try_catch_address;
67  }
68 
69  static inline void UnregisterCTryCatch() { }
70 };
71 
72 } } // namespace v8::internal
73 
74 #endif // V8_IA32_SIMULATOR_IA32_H_
byte * Address
Definition: globals.h:186
static uintptr_t JsLimitFromCLimit(Isolate *isolate, uintptr_t c_limit)
uint8_t byte
Definition: globals.h:185
int(* regexp_matcher)(String *, int, const byte *, const byte *, int *, int, Address, int, Isolate *)
void USE(T)
Definition: globals.h:341
static uintptr_t RegisterCTryCatch(uintptr_t try_catch_address)